Authors:
L. Zikovsky École Polytechnique de Montreal Quebec Canada

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R. Blagoeva École Polytechnique de Montreal Quebec Canada

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Abstract  

Background levels of226Ra on non-cultivated soils in Canada (in southern and northern Quebec and in the North-West Territories) are presented. The activity of226Ra was measured at 34 sites. The specific activity levels ranged from 4.4 to 56.4 Bq/kg with an overall mean of 19.1±12.8 Bq/kg. This activity generates an annual absorbed dose in air of 0.07 mGy. The activities were found to be approximately lognormally distributed with the median activity equal to 15.4 Bq/kg. The activity of226Ra in the soil does not change with the depth. There is a significant difference between Ra concentrations in soils in all three regions studied.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)